Figure 9.20 shows a liquid-to-air heat exchanger in which air flows at
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Applied Fluid Mechanics
- 3.) Oil with sp.gr. 0.95 flows at 200 lit/sec through a 500 m of 200-mm-diameter pipe (f = 0.0225). Determine the head loss. Answer: 218.4 rpm Subject: fluid mechanic Lesson: *Conservation of Energy *Fluid Flow in Pipesarrow_forwardThe measured flow rate of water through a 20 mm diameter pipe is 75 L/min. What is the Reynolds (Re) number?arrow_forwardBenzene flows through a 100 mm diameter pipe at a mean velocity of 3 m/s. Find discharge in liter per second.arrow_forward
- Water (specific gravity, G, is 1.0 and the kinematic viscosity, ν, is 1.14 *10-6 m2 /s) flows through a piping system with a flow rate of 0.9 m3 /s. The pipe is 2750 m long and 550 mm inside diameter. The pipe has four gate valves, one globe valve, two swing check valves, three standard tees through-branch, and three 90o standard elbows. Calculate the following: 1. The total length of the piping system.2. Is the flow laminar or turbulent?arrow_forwardWater (specific gravity, G, is 1.0 and the kinematic viscosity, ν, is 1.14 *10-6 m2 /s) flows through a piping system with a flow rate of 0.9 m3/s. The pipe is 2800 m long and 600 mm inside diameter. The pipe has three gate valves, two globe valves, one swing check valve, three standard teesthrough-branch, and four 90o standard elbows. Calculate the following:a- The total length of that piping system.b- Is the flow laminar or turbulent?arrow_forward1) Which of the following statement is NOT correct about piping network? a) In parallel pipes, the flow rate is proportional to its diameter and inversely proportional to its length and friction factor. b) When analyzing the piping network, conservation of mass throughout the system must be satisfied. c) In piping systems with pumps, the Bernoulli equation should be corrected by introducing a kinetic energy correction factor. d) The algebraic sum of head losses for all loops equal to zero. 2) The EGL is always a distance V2/2g above the HGL. True or Falsearrow_forward
- Oil flows full bore at a velocity of 2m/s through a nest of 16 tubes in a single pass cooler. The internal diameter of the tubes is 30mm and the density of the oil is 0.85 g/ml. Find the Volume of the Flow in Litres/Second and the Mass of the Flow in Kilogram/Minute.arrow_forwardCalculate the Reynolds number, Re for water flow in a circular pipe. The diameter of the pipe is 50 mm, the density of water is 998 kg/m³, the volumetric oil flowrate is 720 L/min, and the dynamic viscosity of water is 1.2 centipoisearrow_forward1. Water flows at a rate of 65 Li/min in a steel pipe of 45 mm diameter, K = 0.045x10-3 m, μ = 0.001 K/m.s. Determine the type of flow, the friction coefficient, and the head loss due to friction per meter length of the pipe using: (a) Moody chart and (b) using smooth pipe formula. 2. Determine the size of galvanized steel pipe needed to carry water for a distance of 180 m at 85 Li/s with a head loss of 9.0 m. Take ε = 0.15 mm.arrow_forward
- The flow rate of air moving through a square 0.50-m by 0.50-m duct is 160 m3/min. What is the mean velocity of the air in m/s?arrow_forwardBased on the layout of the water supply system, as show in Figure 1, the pressure, in psi, is estimated be 46 at the faucet in the and floor of the residential building. Consider flow through the delivery pipe, Q = 1.50 cfs and diameter of the pipe, D = 2.65 inch with e = 0.015 inch. Ingore the minor pressure losses and use the following formulae to calculate the major pressure losses. The additional power in hp required to provide the recommended pressure of 58 psi at the building is nearly. Assume f = 0.0175. Use g = 62.4 lb/f3 for water. Water temperature is 20°C (68°F).arrow_forwardCalculate the Reynolds number for the flow of each of the following fluids in a 2-in Schedule 40 steel pipe if the vol-ume flow rate is 0.25 ft3 / s: (a) water at 60F, (b) acetone at 77F, (c) castor oil at 77F, and (d) SAE 10 oil at 210F (sg = 0.87).arrow_forward
- Principles of Heat Transfer (Activate Learning wi...Mechanical EngineeringISBN:9781305387102Author:Kreith, Frank; Manglik, Raj M.Publisher:Cengage Learning